Path: utzoo!attcan!uunet!cs.utexas.edu!uwm.edu!zaphod.mps.ohio-state.edu!mips!sgi!shinobu!odin!elysium!archer
From: archer@elysium.esd.sgi.com (Archer Sully)
Newsgroups: comp.sys.sgi
Subject: Re: How to do non-blocking keyboard input
Keywords: non-blocking keyboard i/o help
Message-ID: <8918@odin.corp.sgi.com>
Date: 13 Jun 90 23:31:40 GMT
References: <14670@thorin.cs.unc.edu>
Sender: news@odin.corp.sgi.com
Lines: 17

In article <14670@thorin.cs.unc.edu> taylorr@glycine.cs.unc.edu (Russell Taylor) writes:


>	I want to do non-blocking keyboard I/O in a program.  Basically, the
>routine will read a character from the keyboard if there is one and return
>NULL if there is not.  This is done in a tight loop with reads and writes
>to other devices.  How to I get a character from the keyboard if there is
>one and a NULL if there is not?

Check out 'Advanced UNIX(tm) Programming' by Marc Rochkind.  It contains 
more answers to this (and all of the other questions that you will inevitably
have) than I would care to post.

--
Archer Sully 	      |  Ask not what you can do for you country,
(archer@esd.sgi.com)  |  But what your country's been doing to you.
                      |                    -- The Avengers